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ESD5Z3.3T5G

Name: ESD5Z3.3T5G
Rating: 4.7 (12 reviews)

TVS DIODE 3.3VWM 14.1VC SOD523

製造商
製造商。部分 #ESD5Z3.3T5G
包 SC-79, SOD-523
資料表 ESD5Z3.3T5G DataSheet
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規格

Supplier	onsemi
Package	Tape & Reel (TR),Cut Tape (CT)
ProductStatus	Active
Type	Zener
UnidirectionalChannels	1
Voltage-ReverseStandoff(Typ)	3.3V (Max)
Voltage-Breakdown(Min)	5V
Voltage-Clamping(Max)@Ipp	14.1V
Current-PeakPulse(10/1000µs)	11.2A (8/20µs)
Power-PeakPulse	158W
PowerLineProtection	No
Applications	General Purpose
Capacitance@Frequency	105pF @ 1MHz
OperatingTemperature	-55°C ~ 150°C (TJ)
MountingType	Surface Mount
Package/Case	SC-79, SOD-523

概述

Description

ESD5Z3.3T5G is a surface‑mount transient voltage suppressor (TVS) diode used to protect low‑voltage digital I/O lines from electrostatic discharges and other surges.
- Purpose: clamps ESD/EFT events to protect sensitive logic toward ground.
- Nominal voltage: 3.3 V working/standoff voltage (VRWM ~3.3 V); optimized for low‑voltage data lines.
- Performance: very fast response, low leakage, and low parasitic capacitance to preserve high-speed signaling.
- Packaging/code: small SMD package with the T5G suffix indicating its package/tape‑reel code.
- Typical uses: MCU I/O pins, USB/HDMI/camera data lines, sensors, and other connectors near the host device.
- Specs to check in datasheet: VRWM, reverse breakdown (VBR), clamping voltage under ESD pulse, leakage current, junction capacitance, and operating temperature range.
Note: exact electrical values (VBR, clamp, capacitance) vary by variant and temperature; consult the latest STMicroelectronics datasheet for precise figures and recommendations.

Features

Here are the main features of ESD5Z3.3T5G (typical for this device family):
- 3.3 V working standoff voltage (Vwm)
- Unidirectional Zener-type ESD protection for a single data line
- Ultra-low capacitance (typically ~0.3–0.6 pF) to preserve signal integrity
- Very fast response time for transient protection
- High ESD protection capability per IEC 61000-4-2 (commonly ~8 kV HBM level)
- Low leakage current and low dynamic resistance
- Small 3-pin SOT-23 (T5G) package; RoHS compliant and halogen-free
Note: values are typical and refer to the standard ESD5Z3.3 family; always verify the exact figures in the device datasheet for your application.

Package

Package type: 2‑pin SOD‑323 surface‑mount package (SC‑70‑2).

Pinout

- Pin count: 5 pins (SOT-23-5 style)
- Function: ESD protection diode array for three signal lines with a common ground, designed to protect 3.3V logic from ESD events.

Manufacturer

- Manufacturer: STMicroelectronics (ST).
- Company type: A global semiconductor company that designs and manufactures discrete and integrated circuits (including protection diodes, microcontrollers, MEMS sensors, power devices) for automotive, industrial, consumer, and communications markets.

Application

Applications of ESD5Z3.3T5G:
- ESD protection for 3.3V logic I/O lines
- Protects MCU GPIOs, sensors, memories, and low-voltage interfaces (I2C, SPI, UART)
- Board-level protection in portable/consumer electronics (smartphones, tablets, wearables, cameras)
- Applicable to automotive/industrial equipment using 3.3V logic